试题题干
Directions: Read each of the following sentences carefully, and choose A,B,C or D that has the closest meaning to the underlined word or phrase.
Advances in medicine and hygiene have made it possible for people to live longer.（）
参考答案
正确答案：
试题解析
healthy way of life 健康的生活方式；hygiene 卫生。
医学和卫生的进步使人们得以长寿。